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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.204 by root, Sat Oct 1 10:48:04 2011 UTC vs.
Revision 1.229 by root, Fri Apr 11 05:19:40 2014 UTC

… …
17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
22#endif 35#endif
23 36
24/* perl namespace pollution */ 37/* perl namespace pollution */
25#undef VERSION 38#undef VERSION
26 39
… …
62 #undef dup 75 #undef dup
63 #undef dup2 76 #undef dup2
64 #undef abort 77 #undef abort
65 #undef pipe 78 #undef pipe
66 79
80 #define EIO_STRUCT_STAT struct _stati64
81 #define EIO_STRUCT_STATI64
82
67#else 83#else
68 84
69 #include <sys/time.h> 85 #include <sys/time.h>
70 #include <sys/select.h> 86 #include <sys/select.h>
71 #include <unistd.h> 87 #include <unistd.h>
72 #include <utime.h> 88 #include <utime.h>
73 #include <signal.h> 89 #include <signal.h>
74 90
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 91 #define EIO_STRUCT_STAT Stat_t
78 92
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 93#endif
89 94
90/*****************************************************************************/ 95/*****************************************************************************/
91 96
92#if __GNUC__ >= 3 97#if __GNUC__ >= 3
… …
123static void req_destroy (eio_req *grp); 128static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 129#define EIO_DESTROY(req) req_destroy (req)
125 130
126#include "libeio/eio.c" 131#include "libeio/eio.c"
127 132
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 133#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 135#endif
196 136
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 137#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 138# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 139#endif
291 140
292#ifndef MAP_ANONYMOUS 141#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 142# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 143# define MAP_ANONYMOUS MAP_ANON
295# else 144# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 146# endif
298#endif 147#endif
299#ifndef MAP_HUGETLB 148
300# define MAP_HUGETLB 0 149/* defines all sorts of constants to 0 unless they are already defined */
301#endif 150#include "def0.h"
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 151
315#ifndef makedev 152#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 153# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 154#endif
318#ifndef major 155#ifndef major
… …
320#endif 157#endif
321#ifndef minor 158#ifndef minor
322# define minor(dev) ((dev) & 0xff) 159# define minor(dev) ((dev) & 0xff)
323#endif 160#endif
324 161
325#ifndef PAGESIZE 162#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 163# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 164#endif
165
166/*****************************************************************************/
167
168static void
169fiemap (eio_req *req)
170{
171 req->result = -1;
172
173#if HAVE_FIEMAP
174 /* assume some c99 */
175 struct fiemap *fiemap = 0;
176 size_t end_offset;
177 int count = req->int3;
178
179 req->flags |= EIO_FLAG_PTR1_FREE;
180
181 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
182 /* increase in 3.5kb steps */
183 if (count < 0)
184 count = 8;
185
186 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
187 errno = ENOMEM;
188 if (!fiemap)
189 return;
190
191 req->ptr1 = fiemap;
192
193 fiemap->fm_start = req->offs;
194 fiemap->fm_length = req->size;
195 fiemap->fm_flags = req->int2;
196 fiemap->fm_extent_count = count;
197
198 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
199 return;
200
201 if (req->int3 >= 0 /* not autosizing */
202 || !fiemap->fm_mapped_extents /* no more extents */
203 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
204 goto done;
205
206 /* else we have to loop -
207 * it would be tempting (actually I tried that first) to just query the
208 * number of extents needed, but linux often feels like not returning all
209 * extents, without telling us it left any out. this complicates
210 * this quite a bit.
211 */
212
213 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
214
215 for (;;)
216 {
217 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
218 char scratch[3072];
219 struct fiemap *incmap = (struct fiemap *)scratch;
220
221 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
222 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
223 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
224 incmap->fm_flags = fiemap->fm_flags;
225 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
226
227 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
228 return;
229
230 if (!incmap->fm_mapped_extents)
231 goto done;
232
233 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
234 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
235 errno = ENOMEM;
236 if (!fiemap)
237 return;
238
239 req->ptr1 = fiemap;
240
241 for (count = 0; count < incmap->fm_mapped_extents; ++count)
242 {
243 struct fiemap_extent *e = incmap->fm_extents + count;
244
245 if (e->fe_logical + e->fe_length >= end_offset)
246 goto done;
247
248 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
249
250 if (e->fe_flags & FIEMAP_EXTENT_LAST)
251 goto done;
252
253 }
254 }
255
256done:
257 req->result = 0;
258
259#else
260 errno = ENOSYS;
261#endif
262}
263
264/*****************************************************************************/
328 265
329enum { 266enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 267 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 268};
332 269
… …
577#ifndef _WIN32 514#ifndef _WIN32
578 if (req->result >= 0) 515 if (req->result >= 0)
579 { 516 {
580 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 517 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
581 HV *hv = newHV (); 518 HV *hv = newHV ();
519 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
520 * chooses to make it a struct.
521 */
522 unsigned long fsid = 0;
523 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
582 524
583 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 525 rv = sv_2mortal (newRV_noinc ((SV *)hv));
584 526
585 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 527 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
586 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 528 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
588 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 530 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
589 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 531 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
590 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 532 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
591 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 533 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
592 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 534 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
593 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 535 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
594 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 536 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
595 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 537 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
596 } 538 }
597#endif 539#endif
598 540
… …
633 if (!(PL_laststatval = req->result)) 575 if (!(PL_laststatval = req->result))
634 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 576 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
635 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 577 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
636 578
637 PUSHs (sv_result); 579 PUSHs (sv_result);
580 break;
581
582 case EIO_SEEK:
583 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
638 break; 584 break;
639 585
640 case EIO_READ: 586 case EIO_READ:
641 { 587 {
642 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 588 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
645 SvSETMAGIC (req->sv2); 591 SvSETMAGIC (req->sv2);
646 PUSHs (sv_result); 592 PUSHs (sv_result);
647 } 593 }
648 break; 594 break;
649 595
596 case EIO_CUSTOM:
597 if (req->feed == fiemap)
598 {
599#if HAVE_FIEMAP
600 if (!req->result)
601 {
602 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
603
604 if (fiemap->fm_extent_count)
605 {
606 AV *av = newAV ();
607 int i;
608
609 while (fiemap->fm_mapped_extents)
610 {
611 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
612 AV *ext_av = newAV ();
613
614 av_store (ext_av, 3, newSVuv (extent->fe_flags));
615 av_store (ext_av, 2, newSVval64 (extent->fe_length));
616 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
617 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
618
619 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
620 }
621
622 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
623 }
624 else
625 {
626 SvIV_set (sv_result, fiemap->fm_mapped_extents);
627 PUSHs (sv_result);
628 }
629 }
630#endif
631 }
632 else
633 PUSHs (sv_result);
634 break;
635
650 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 636 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
651 if (req->result > 0) 637 if (req->result > 0)
652 SvIV_set (sv_result, 0); 638 SvIV_set (sv_result, 0);
653 /* FALLTHROUGH */ 639 /* FALLTHROUGH */
654 640
… …
761} 747}
762 748
763/*****************************************************************************/ 749/*****************************************************************************/
764 750
765#if !_POSIX_MAPPED_FILES 751#if !_POSIX_MAPPED_FILES
766# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 752# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
767# define munmap(addr,length) (errno = ENOSYS, -1) 753# define munmap(addr,length) EIO_ENOSYS ()
768#endif 754#endif
769 755
770#if !_POSIX_MEMORY_PROTECTION 756#if !_POSIX_MEMORY_PROTECTION
771# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 757# define mprotect(addr,len,prot) EIO_ENOSYS ()
772# define PROT_NONE 0 758# define PROT_NONE 0
773# define PROT_WRITE 0 759# define PROT_WRITE 0
774# define MAP_PRIVATE 0 760# define MAP_PRIVATE 0
775# define MAP_SHARED 0 761# define MAP_SHARED 0
776# define MAP_FIXED 0 762# define MAP_FIXED 0
… …
864 else 850 else
865 *wd = EIO_INVALID_WD; 851 *wd = EIO_INVALID_WD;
866 } 852 }
867 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) 853 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
868 { 854 {
869 *wd = SvIVX (rv); 855 *wd = (aio_wd)(long)SvIVX (rv);
870 *wdsv = SvREFCNT_inc_NN (rv); 856 *wdsv = SvREFCNT_inc_NN (rv);
871 *ptr = "."; 857 *ptr = ".";
872 return; /* path set to "." */ 858 return; /* path set to "." */
873 } 859 }
874 else 860 else
875 croak ("IO::AIO: pathname arguments must be specified as strings, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); 861 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
876 } 862 }
877 863
878 *pathsv = newSVsv (path); 864 *pathsv = newSVsv (path);
879 *ptr = SvPVbyte_nolen (*pathsv); 865 *ptr = SvPVbyte_nolen (*pathsv);
880} 866}
… …
920 IV iv; 906 IV iv;
921 } *civ, const_iv[] = { 907 } *civ, const_iv[] = {
922# define const_niv(name, value) { # name, (IV) value }, 908# define const_niv(name, value) { # name, (IV) value },
923# define const_iv(name) { # name, (IV) name }, 909# define const_iv(name) { # name, (IV) name },
924# define const_eio(name) { # name, (IV) EIO_ ## name }, 910# define const_eio(name) { # name, (IV) EIO_ ## name },
911
912 /* you have to re-run ./gendef0 after adding/Removing any constants here */
913
914 const_iv (ENOSYS)
925 const_iv (EXDEV) 915 const_iv (EXDEV)
926 const_iv (ENOSYS) 916 const_iv (EBADR)
917
927 const_iv (O_RDONLY) 918 const_iv (O_RDONLY)
928 const_iv (O_WRONLY) 919 const_iv (O_WRONLY)
929 const_iv (O_RDWR) 920 const_iv (O_RDWR)
930 const_iv (O_CREAT) 921 const_iv (O_CREAT)
931 const_iv (O_TRUNC) 922 const_iv (O_TRUNC)
… …
999 const_iv (MAP_LOCKED) 990 const_iv (MAP_LOCKED)
1000 const_iv (MAP_NORESERVE) 991 const_iv (MAP_NORESERVE)
1001 const_iv (MAP_POPULATE) 992 const_iv (MAP_POPULATE)
1002 const_iv (MAP_NONBLOCK) 993 const_iv (MAP_NONBLOCK)
1003 994
995 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST)
999 const_iv (FIEMAP_EXTENT_UNKNOWN)
1000 const_iv (FIEMAP_EXTENT_DELALLOC)
1001 const_iv (FIEMAP_EXTENT_ENCODED)
1002 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1003 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1004 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1005 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1006 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1007 const_iv (FIEMAP_EXTENT_MERGED)
1008 const_iv (FIEMAP_EXTENT_SHARED)
1009
1010 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT)
1014
1015 const_iv (SEEK_DATA)
1016 const_iv (SEEK_HOLE)
1017
1018 /* libeio constants */
1019 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END)
1022
1004 const_eio (MCL_FUTURE) 1023 const_eio (MCL_FUTURE)
1005 const_eio (MCL_CURRENT) 1024 const_eio (MCL_CURRENT)
1006 1025
1007 const_eio (MS_ASYNC) 1026 const_eio (MS_ASYNC)
1008 const_eio (MS_INVALIDATE) 1027 const_eio (MS_INVALIDATE)
… …
1013 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1032 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1014 const_eio (SYNC_FILE_RANGE_WRITE) 1033 const_eio (SYNC_FILE_RANGE_WRITE)
1015 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1034 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1016 1035
1017 const_eio (FALLOC_FL_KEEP_SIZE) 1036 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE)
1018 1038
1019 const_eio (READDIR_DENTS) 1039 const_eio (READDIR_DENTS)
1020 const_eio (READDIR_DIRS_FIRST) 1040 const_eio (READDIR_DIRS_FIRST)
1021 const_eio (READDIR_STAT_ORDER) 1041 const_eio (READDIR_STAT_ORDER)
1022 const_eio (READDIR_FOUND_UNKNOWN) 1042 const_eio (READDIR_FOUND_UNKNOWN)
… …
1123 aio_fsync = EIO_FSYNC 1143 aio_fsync = EIO_FSYNC
1124 aio_fdatasync = EIO_FDATASYNC 1144 aio_fdatasync = EIO_FDATASYNC
1125 aio_syncfs = EIO_SYNCFS 1145 aio_syncfs = EIO_SYNCFS
1126 PPCODE: 1146 PPCODE:
1127{ 1147{
1128 int fd = s_fileno_croak (fh, 0); 1148 int fd = s_fileno_croak (fh, 0);
1129 dREQ; 1149 dREQ;
1130 1150
1131 req->type = ix; 1151 req->type = ix;
1132 req->sv1 = newSVsv (fh); 1152 req->sv1 = newSVsv (fh);
1133 req->int1 = fd; 1153 req->int1 = fd;
1134 1154
1135 REQ_SEND (req); 1155 REQ_SEND;
1136} 1156}
1137 1157
1138void 1158void
1139aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1159aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1140 PPCODE: 1160 PPCODE:
1141{ 1161{
1142 int fd = s_fileno_croak (fh, 0); 1162 int fd = s_fileno_croak (fh, 0);
1143 dREQ; 1163 dREQ;
1144 1164
1145 req->type = EIO_SYNC_FILE_RANGE; 1165 req->type = EIO_SYNC_FILE_RANGE;
1146 req->sv1 = newSVsv (fh); 1166 req->sv1 = newSVsv (fh);
1147 req->int1 = fd; 1167 req->int1 = fd;
1148 req->offs = offset; 1168 req->offs = offset;
1149 req->size = nbytes; 1169 req->size = nbytes;
1150 req->int2 = flags; 1170 req->int2 = flags;
1151 1171
1152 REQ_SEND (req); 1172 REQ_SEND;
1153} 1173}
1154 1174
1155void 1175void
1156aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1176aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1157 PPCODE: 1177 PPCODE:
1158{ 1178{
1159 int fd = s_fileno_croak (fh, 0); 1179 int fd = s_fileno_croak (fh, 0);
1160 dREQ; 1180 dREQ;
1161 1181
1162 req->type = EIO_FALLOCATE; 1182 req->type = EIO_FALLOCATE;
1163 req->sv1 = newSVsv (fh); 1183 req->sv1 = newSVsv (fh);
1164 req->int1 = fd; 1184 req->int1 = fd;
1165 req->int2 = mode; 1185 req->int2 = mode;
1166 req->offs = offset; 1186 req->offs = offset;
1167 req->size = len; 1187 req->size = len;
1168 1188
1169 REQ_SEND (req); 1189 REQ_SEND;
1170} 1190}
1171 1191
1172void 1192void
1173aio_close (SV *fh, SV *callback=&PL_sv_undef) 1193aio_close (SV *fh, SV *callback=&PL_sv_undef)
1174 PPCODE: 1194 PPCODE:
1175{ 1195{
1176 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1196 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1177 int fd = s_fileno_croak (fh, 0); 1197 int fd = s_fileno_croak (fh, 0);
1178 dREQ; 1198 dREQ;
1179 1199
1180 if (expect_false (close_fd < 0)) 1200 if (expect_false (close_fd < 0))
1181 { 1201 {
1182 int pipefd [2]; 1202 int pipefd [2];
… …
1198 req->type = EIO_DUP2; 1218 req->type = EIO_DUP2;
1199 req->int1 = close_fd; 1219 req->int1 = close_fd;
1200 req->sv2 = newSVsv (fh); 1220 req->sv2 = newSVsv (fh);
1201 req->int2 = fd; 1221 req->int2 = fd;
1202 1222
1203 REQ_SEND (req); 1223 REQ_SEND;
1224}
1225
1226void
1227aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1228 PPCODE:
1229{
1230 int fd = s_fileno_croak (fh, 0);
1231 dREQ;
1232
1233 req->type = EIO_SEEK;
1234 req->sv1 = newSVsv (fh);
1235 req->int1 = fd;
1236 req->offs = SvVAL64 (offset);
1237 req->int2 = whence;
1238
1239 REQ_SEND;
1204} 1240}
1205 1241
1206void 1242void
1207aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1243aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1208 ALIAS: 1244 ALIAS:
… …
1229 } 1265 }
1230 else 1266 else
1231 { 1267 {
1232 /* read: check type and grow scalar as necessary */ 1268 /* read: check type and grow scalar as necessary */
1233 SvUPGRADE (data, SVt_PV); 1269 SvUPGRADE (data, SVt_PV);
1270 if (SvLEN (data) >= SvCUR (data))
1234 svptr = SvGROW (data, len + dataoffset + 1); 1271 svptr = SvGROW (data, len + dataoffset + 1);
1272 else if (SvCUR (data) < len + dataoffset)
1273 croak ("length + dataoffset outside of scalar, and cannot grow");
1235 } 1274 }
1236 1275
1237 { 1276 {
1238 dREQ; 1277 dREQ;
1239 1278
… …
1273 1312
1274void 1313void
1275aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1314aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1276 PPCODE: 1315 PPCODE:
1277{ 1316{
1278 int ifd = s_fileno_croak (in_fh , 0); 1317 int ifd = s_fileno_croak (in_fh , 0);
1279 int ofd = s_fileno_croak (out_fh, 1); 1318 int ofd = s_fileno_croak (out_fh, 1);
1280 dREQ; 1319 dREQ;
1281 1320
1282 req->type = EIO_SENDFILE; 1321 req->type = EIO_SENDFILE;
1283 req->sv1 = newSVsv (out_fh); 1322 req->sv1 = newSVsv (out_fh);
1284 req->int1 = ofd; 1323 req->int1 = ofd;
… …
1292 1331
1293void 1332void
1294aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1333aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1295 PPCODE: 1334 PPCODE:
1296{ 1335{
1297 int fd = s_fileno_croak (fh, 0); 1336 int fd = s_fileno_croak (fh, 0);
1298 dREQ; 1337 dREQ;
1299 1338
1300 req->type = EIO_READAHEAD; 1339 req->type = EIO_READAHEAD;
1301 req->sv1 = newSVsv (fh); 1340 req->sv1 = newSVsv (fh);
1302 req->int1 = fd; 1341 req->int1 = fd;
… …
1439 aio_link = EIO_LINK 1478 aio_link = EIO_LINK
1440 aio_symlink = EIO_SYMLINK 1479 aio_symlink = EIO_SYMLINK
1441 aio_rename = EIO_RENAME 1480 aio_rename = EIO_RENAME
1442 PPCODE: 1481 PPCODE:
1443{ 1482{
1483 eio_wd wd2 = 0;
1444 dREQ; 1484 dREQ;
1445 eio_wd wd2 = 0;
1446 1485
1447 req->type = ix; 1486 req->type = ix;
1448 req_set_path1 (req, oldpath); 1487 req_set_path1 (req, oldpath);
1449 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1488 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1450 req->int3 = (long)wd2; 1489 req->int3 = (long)wd2;
… …
1539 1578
1540 REQ_SEND; 1579 REQ_SEND;
1541} 1580}
1542 1581
1543void 1582void
1583aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1584 PPCODE:
1585{
1586 int fd = s_fileno_croak (fh, 0);
1587 dREQ;
1588
1589 req->type = EIO_CUSTOM;
1590 req->sv1 = newSVsv (fh);
1591 req->int1 = fd;
1592
1593 req->feed = fiemap;
1594#if HAVE_FIEMAP
1595 /* keep our fingers crossed that the next two types are 64 bit */
1596 req->offs = start;
1597 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1598 req->int2 = flags;
1599 req->int3 = SvOK (count) ? SvIV (count) : -1;
1600#endif
1601
1602 REQ_SEND;
1603}
1604
1605void
1544aio_busy (double delay, SV *callback=&PL_sv_undef) 1606aio_busy (double delay, SV *callback=&PL_sv_undef)
1545 PPCODE: 1607 PPCODE:
1546{ 1608{
1547 dREQ; 1609 dREQ;
1548 1610
… …
1558{ 1620{
1559 dREQ; 1621 dREQ;
1560 1622
1561 req->type = EIO_GROUP; 1623 req->type = EIO_GROUP;
1562 1624
1625 PUTBACK;
1563 req_submit (req); 1626 req_submit (req);
1627 SPAGAIN;
1628
1564 XPUSHs (req_sv (req, aio_grp_stash)); 1629 XPUSHs (req_sv (req, aio_grp_stash));
1565} 1630}
1566 1631
1567void 1632void
1568aio_nop (SV *callback=&PL_sv_undef) 1633aio_nop (SV *callback=&PL_sv_undef)
… …
1677 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1742 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1678 OUTPUT: 1743 OUTPUT:
1679 RETVAL 1744 RETVAL
1680 1745
1681void 1746void
1682mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1747mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1683 PPCODE: 1748 PPCODE:
1684 sv_unmagic (scalar, MMAP_MAGIC); 1749 sv_unmagic (scalar, MMAP_MAGIC);
1685{ 1750{
1686 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1751 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1687 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1752 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1720 ALIAS: 1785 ALIAS:
1721 mprotect = 1 1786 mprotect = 1
1722 CODE: 1787 CODE:
1723{ 1788{
1724 STRLEN svlen; 1789 STRLEN svlen;
1725 void *addr = SvPVbyte (scalar, svlen); 1790 void *addr = SvPVbyte (scalar, svlen);
1726 size_t len = SvUV (length); 1791 size_t len = SvUV (length);
1727 1792
1728 if (offset < 0) 1793 if (offset < 0)
1729 offset += svlen; 1794 offset += svlen;
1730 1795
… …
1749int 1814int
1750munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1815munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1751 CODE: 1816 CODE:
1752{ 1817{
1753 STRLEN svlen; 1818 STRLEN svlen;
1754 void *addr = SvPVbyte (scalar, svlen); 1819 void *addr = SvPVbyte (scalar, svlen);
1755 size_t len = SvUV (length); 1820 size_t len = SvUV (length);
1756 1821
1757 if (offset < 0) 1822 if (offset < 0)
1758 offset += svlen; 1823 offset += svlen;
1759 1824
… …
1766 addr = (void *)(((intptr_t)addr) + offset); 1831 addr = (void *)(((intptr_t)addr) + offset);
1767 eio_page_align (&addr, &len); 1832 eio_page_align (&addr, &len);
1768#if _POSIX_MEMLOCK_RANGE 1833#if _POSIX_MEMLOCK_RANGE
1769 RETVAL = munlock (addr, len); 1834 RETVAL = munlock (addr, len);
1770#else 1835#else
1771 RETVAL = ((errno = ENOSYS), -1); 1836 RETVAL = EIO_ENOSYS ();
1772#endif 1837#endif
1773} 1838}
1774 OUTPUT: 1839 OUTPUT:
1775 RETVAL 1840 RETVAL
1776 1841
… …
1778munlockall () 1843munlockall ()
1779 CODE: 1844 CODE:
1780#if _POSIX_MEMLOCK 1845#if _POSIX_MEMLOCK
1781 munlockall (); 1846 munlockall ();
1782#else 1847#else
1848 RETVAL = EIO_ENOSYS ();
1849#endif
1850 OUTPUT:
1851 RETVAL
1852
1853int
1854splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1855 CODE:
1856{
1857#if HAVE_LINUX_SPLICE
1858 loff_t off_in_, off_out_;
1859 RETVAL = splice (
1860 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1861 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1862 length, flags
1863 );
1864#else
1865 RETVAL = EIO_ENOSYS ();
1866#endif
1867}
1868 OUTPUT:
1869 RETVAL
1870
1871int
1872tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1873 CODE:
1874#if HAVE_LINUX_SPLICE
1875 RETVAL = tee (rfh, wfh, length, flags);
1876#else
1877 RETVAL = EIO_ENOSYS ();
1878#endif
1879 OUTPUT:
1880 RETVAL
1881
1882int
1883pipesize (aio_rfd rfh, int new_size = -1)
1884 PROTOTYPE: $;$
1885 CODE:
1886#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1887 if (new_size >= 0)
1888 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1889 else
1890 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1891#else
1892 errno = ENOSYS;
1783 RETVAL = -1; 1893 RETVAL = -1;
1784 errno = ENOSYS;
1785#endif 1894#endif
1786 OUTPUT: 1895 OUTPUT:
1787 RETVAL 1896 RETVAL
1788 1897
1789void _on_next_submit (SV *cb) 1898void _on_next_submit (SV *cb)

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